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| author | Stefan Brüns <stefan.bruens@rwth-aachen.de> | 2017-12-08 18:41:47 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-01-08 16:03:42 +0100 |
| commit | d456d61f53ece55ae17599bf004bb071c0a618e4 (patch) | |
| tree | 84a39bdd9c3a7a1f354b91f39bac56f50e869e46 /drivers/iio/adc/ina2xx-adc.c | |
| parent | 17b3453f5c69758e851a37776798e64795897a7d (diff) | |
| download | blackbird-obmc-linux-d456d61f53ece55ae17599bf004bb071c0a618e4.tar.gz blackbird-obmc-linux-d456d61f53ece55ae17599bf004bb071c0a618e4.zip | |
iio: adc: ina2xx: Clarify size requirement for data buffer
The timestamp is inserted into the buffer after the sample data by
iio_push_to_buffers_with_timestamp, document the space requirement for
the timestamp.
Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iio/adc/ina2xx-adc.c')
| -rw-r--r-- | drivers/iio/adc/ina2xx-adc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c index 3195f8754c3b..8c8120406f52 100644 --- a/drivers/iio/adc/ina2xx-adc.c +++ b/drivers/iio/adc/ina2xx-adc.c @@ -700,7 +700,8 @@ static const struct iio_chan_spec ina219_channels[] = { static int ina2xx_work_buffer(struct iio_dev *indio_dev) { struct ina2xx_chip_info *chip = iio_priv(indio_dev); - unsigned short data[8]; + /* data buffer needs space for channel data and timestap */ + unsigned short data[4 + sizeof(s64)/sizeof(short)]; int bit, ret, i = 0; s64 time_a, time_b; unsigned int alert; |
